Leases - Additional Information (Details) $ in Millions	3 Months Ended
	Dec. 31, 2020 USD ($)
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend lease terms, description	Operating lease payments include $3.9 million related to options to extend lease terms that are reasonably certain of being exercised.
Payments related to options to extend lease terms	$ 3.9
Minimum
Lessee Lease Description [Line Items]
Operating lease renewal term	1 year
Maximum
Lessee Lease Description [Line Items]
Operating lease renewal term	5 years